Direction Write TRUE if the statement is correct write FALSE the statement is wrong
1. Leht always travels on a straight light
2. The light that strikes a thick cardboard bends and find another way to pass through it
3.Lieht rays could not be blocked and they could pass through all types of materials
since they travel on a straight line,
4. A laser is a narrow but powerful beam of light capable of travelling far distances on
a straight line
5. Optical fibers are used in communication, medicine and industry,
6. Light can be reflected if it is directed towards a mirror
7. Refraction is the bouncing back of light that strikes a clear surface.
8. When somebody faces a mirror, his reflection can be seen in reversed manner.
9. Light travels faster in air than in liquids.
10. The speed of light remains the same even if it travels from one material to another.
11. Echo is the term used for the sound that is reflected back to its source.
12. Bats and dolphins used echolocation to locate their food and determine their direction.
13. Only animals have the ability to use echolocation.
14. The sea floor is mapped using echolocation.
15. Some individual has developed to use echolocation and thus able to "see" even
if they are blind.